body {
  min-height: 200px;
  margin: 0;
  font-family: Arial, sans-serif;
}

#app {
  padding: 8px;
}

.btn {
  width: 100%;
  padding: 8px 16px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  margin: 8px 0;
}

.btn:hover {
  background-color: #45a049;
}

.message {
  margin-top: 8px;
  padding: 8px;
  border-radius: 4px;
}

.message.success {
  background-color: #dff0d8;
  color: #3c763d;
}

.message.error {
  background-color: #f2dede;
  color: #a94442;
} 
.user-list{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.user-item{
  display: inline-block;
  margin: 8px;
  padding: 8px;
  border-radius: 4px;
  background-color: #faadad;
  cursor: pointer;
}
.user-item.selected{
  background: #4CAF50;
  color: white;
}
